poole kera kujuline keha,peaaju suurima osa (ehk suuraju) üks pooltest,üks pooltest, milleks maakera (vm planeet) tinglikult jaotatakse
inglise keeleshemispherea body shaped like half a sphere, one of the half (or the large brain) of the largest part of the brain, one of the half to which the earth (v. planet) is conditionally distributed
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